OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CNC $40.00 Put

CNC270115P00040000

Latest saved OI1,650Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6618300 2026-10-02: 1,661 OI2026-10-05: 1,661 OI2026-10-06: 1,661 OI2026-10-07: 1,661 OI2026-10-08: 1,661 OI2026-10-09: 1,661 OI2026-10-13: 1,650 OI2026-10-14: 1,650 OI2026-10-15: 1,650 OI2026-10-16: 1,650 OI2026-10-21: 1,650 OI2026-10-23: 1,650 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CNC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6500
Oct 21, 20261,6500
Oct 16, 20261,6500
Oct 15, 20261,6500
Oct 14, 20261,6500
Oct 13, 20261,650-11
Oct 09, 20261,6610
Oct 08, 20261,6610
Oct 07, 20261,6610
Oct 06, 20261,6610
Oct 05, 20261,6610
Oct 02, 20261,661No prior observation